A certain unit of the Eighth Route Army had to relocate in response to the Japanese army's large-scale clean-up after the Hundred Regiments War. In order to ensure the safe transfer of the main troops and the people, the newly appointed Deputy Commander of the Military District, Li Zhiyuan, along with the battalion commander, Lu Tianze, and company commanderThe heroic story of Huang Changjun and other soldiers fighting to the death against the Japanese army, using Majiapu as a defensive position and Liu Haijing's courtyard as a defensive point.